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1 | /* Unit testing for outcomes |
2 | (C) 2013-2022 Niall Douglas <http://www.nedproductions.biz/> (1 commit) | |
3 | ||
4 | ||
5 | Boost Software License - Version 1.0 - August 17th, 2003 | |
6 | ||
7 | Permission is hereby granted, free of charge, to any person or organization | |
8 | obtaining a copy of the software and accompanying documentation covered by | |
9 | this license (the "Software") to use, reproduce, display, distribute, | |
10 | execute, and transmit the Software, and to prepare derivative works of the | |
11 | Software, and to permit third-parties to whom the Software is furnished to | |
12 | do so, all subject to the following: | |
13 | ||
14 | The copyright notices in the Software and this entire statement, including | |
15 | the above license grant, this restriction and the following disclaimer, | |
16 | must be included in all copies of the Software, in whole or in part, and | |
17 | all derivative works of the Software, unless such copies or derivative | |
18 | works are solely in the form of machine-executable object code generated by | |
19 | a source language processor. | |
20 | ||
21 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT | |
24 | SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE | |
25 | FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, | |
26 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
27 | DEALINGS IN THE SOFTWARE. | |
28 | */ | |
29 | ||
30 | #include <boost/outcome/outcome.hpp> | |
31 | #include <boost/outcome/try.hpp> | |
32 | #include <boost/test/unit_test.hpp> | |
33 | #include <boost/test/unit_test_monitor.hpp> | |
34 | ||
35 | namespace issues247 | |
36 | { | |
37 | namespace outcome = BOOST_OUTCOME_V2_NAMESPACE; | |
38 | ||
39 | outcome::result<int> foo1() | |
40 | { | |
41 | outcome::result<int> ret(boost::system::errc::invalid_argument); | |
42 | outcome::hooks::set_spare_storage(&ret, 43); | |
43 | return ret; | |
44 | } | |
45 | ||
46 | outcome::result<int> test1() | |
47 | { | |
48 | BOOST_OUTCOME_TRY(foo1()); | |
49 | return 7; | |
50 | } | |
51 | ||
52 | outcome::result<int> foo2() { return outcome::success(5, 43); } | |
53 | ||
54 | outcome::result<int> test2() { return foo2(); } | |
55 | ||
56 | outcome::outcome<int> foo3() | |
57 | { | |
58 | outcome::outcome<int> ret(boost::copy_exception(std::runtime_error("foo"))); | |
59 | outcome::hooks::set_spare_storage(&ret, 43); | |
60 | return ret; | |
61 | } | |
62 | ||
63 | outcome::outcome<int> test3() | |
64 | { | |
65 | BOOST_OUTCOME_TRY(foo3()); | |
66 | return 7; | |
67 | } | |
68 | ||
69 | } // namespace issues247 | |
70 | ||
71 | ||
72 | BOOST_OUTCOME_AUTO_TEST_CASE(issues_0247_test, "TRY strips spare storage value") | |
73 | { | |
74 | auto r1 = issues247::test1(); | |
75 | BOOST_CHECK(issues247::outcome::hooks::spare_storage(&r1) == 43); | |
76 | auto r2 = issues247::test2(); | |
77 | BOOST_CHECK(issues247::outcome::hooks::spare_storage(&r2) == 43); | |
78 | auto r3 = issues247::test3(); | |
79 | BOOST_CHECK(issues247::outcome::hooks::spare_storage(&r3) == 43); | |
80 | } |